Home / 5,130.59-7,109.96-5,032.16

Finding the Fourth Proportional to 5,130.59, 7,109.96 and 5,032.16

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Solution

The fourth proportional to 5,130.59, 7,109.96 and 5,032.16 is: 6,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.59 : 7,109.96 = 5,032.16 : x
  2. Step 2: Convert to fraction form
    5,130.59/7,109.96 = 5,032.16/x
  3. Step 3: Cross multiply
    5,130.59x = 7,109.96 × 5,032.16
  4. Step 4: Simplify right side
    5,130.59x = 35,778,456.31
  5. Step 5: Solve for x
    x = 35,778,456.31/5,130.59
  6. Step 6: Final answer
    x = 6,973.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.