Home / 7,545.47-10,411.64-4,188.31

Finding the Fourth Proportional to 7,545.47, 10,411.64 and 4,188.31

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Solution

The fourth proportional to 7,545.47, 10,411.64 and 4,188.31 is: 5,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.47 : 10,411.64 = 4,188.31 : x
  2. Step 2: Convert to fraction form
    7,545.47/10,411.64 = 4,188.31/x
  3. Step 3: Cross multiply
    7,545.47x = 10,411.64 × 4,188.31
  4. Step 4: Simplify right side
    7,545.47x = 43,607,175.93
  5. Step 5: Solve for x
    x = 43,607,175.93/7,545.47
  6. Step 6: Final answer
    x = 5,779.25

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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.