Home / 3,547.23-4,893.41-2,130.23

Finding the Fourth Proportional to 3,547.23, 4,893.41 and 2,130.23

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Solution

The fourth proportional to 3,547.23, 4,893.41 and 2,130.23 is: 2,938.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.23 : 4,893.41 = 2,130.23 : x
  2. Step 2: Convert to fraction form
    3,547.23/4,893.41 = 2,130.23/x
  3. Step 3: Cross multiply
    3,547.23x = 4,893.41 × 2,130.23
  4. Step 4: Simplify right side
    3,547.23x = 10,424,053.67
  5. Step 5: Solve for x
    x = 10,424,053.67/3,547.23
  6. Step 6: Final answer
    x = 2,938.65

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.