Home / 7,390.27-10,187.40-5,598.32

Finding the Fourth Proportional to 7,390.27, 10,187.40 and 5,598.32

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Solution

The fourth proportional to 7,390.27, 10,187.40 and 5,598.32 is: 7,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.27 : 10,187.40 = 5,598.32 : x
  2. Step 2: Convert to fraction form
    7,390.27/10,187.40 = 5,598.32/x
  3. Step 3: Cross multiply
    7,390.27x = 10,187.40 × 5,598.32
  4. Step 4: Simplify right side
    7,390.27x = 57,032,295.22
  5. Step 5: Solve for x
    x = 57,032,295.22/7,390.27
  6. Step 6: Final answer
    x = 7,717.21

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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.