Home / 5,707.31-8,561.65-1,547.45

Finding the Fourth Proportional to 5,707.31, 8,561.65 and 1,547.45

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Solution

The fourth proportional to 5,707.31, 8,561.65 and 1,547.45 is: 2,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.31 : 8,561.65 = 1,547.45 : x
  2. Step 2: Convert to fraction form
    5,707.31/8,561.65 = 1,547.45/x
  3. Step 3: Cross multiply
    5,707.31x = 8,561.65 × 1,547.45
  4. Step 4: Simplify right side
    5,707.31x = 13,248,761.78
  5. Step 5: Solve for x
    x = 13,248,761.78/5,707.31
  6. Step 6: Final answer
    x = 2,321.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.