Home / 6,531.78-9,013.58-3,547.54

Finding the Fourth Proportional to 6,531.78, 9,013.58 and 3,547.54

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Solution

The fourth proportional to 6,531.78, 9,013.58 and 3,547.54 is: 4,895.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.78 : 9,013.58 = 3,547.54 : x
  2. Step 2: Convert to fraction form
    6,531.78/9,013.58 = 3,547.54/x
  3. Step 3: Cross multiply
    6,531.78x = 9,013.58 × 3,547.54
  4. Step 4: Simplify right side
    6,531.78x = 31,976,035.59
  5. Step 5: Solve for x
    x = 31,976,035.59/6,531.78
  6. Step 6: Final answer
    x = 4,895.46

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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.