Home / 2,547.48-3,505.55-2,253.45

Finding the Fourth Proportional to 2,547.48, 3,505.55 and 2,253.45

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Solution

The fourth proportional to 2,547.48, 3,505.55 and 2,253.45 is: 3,100.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.48 : 3,505.55 = 2,253.45 : x
  2. Step 2: Convert to fraction form
    2,547.48/3,505.55 = 2,253.45/x
  3. Step 3: Cross multiply
    2,547.48x = 3,505.55 × 2,253.45
  4. Step 4: Simplify right side
    2,547.48x = 7,899,569.75
  5. Step 5: Solve for x
    x = 7,899,569.75/2,547.48
  6. Step 6: Final answer
    x = 3,100.94

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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.