Home / 2,547.23-3,505.21-2,253.20

Finding the Fourth Proportional to 2,547.23, 3,505.21 and 2,253.20

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Solution

The fourth proportional to 2,547.23, 3,505.21 and 2,253.20 is: 3,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.23 : 3,505.21 = 2,253.20 : x
  2. Step 2: Convert to fraction form
    2,547.23/3,505.21 = 2,253.20/x
  3. Step 3: Cross multiply
    2,547.23x = 3,505.21 × 2,253.20
  4. Step 4: Simplify right side
    2,547.23x = 7,897,916.01
  5. Step 5: Solve for x
    x = 7,897,916.01/2,547.23
  6. Step 6: Final answer
    x = 3,100.60

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Half 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.