Home / 5,456.28-7,526.34-4,135.08

Finding the Fourth Proportional to 5,456.28, 7,526.34 and 4,135.08

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Solution

The fourth proportional to 5,456.28, 7,526.34 and 4,135.08 is: 5,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.28 : 7,526.34 = 4,135.08 : x
  2. Step 2: Convert to fraction form
    5,456.28/7,526.34 = 4,135.08/x
  3. Step 3: Cross multiply
    5,456.28x = 7,526.34 × 4,135.08
  4. Step 4: Simplify right side
    5,456.28x = 31,122,018.01
  5. Step 5: Solve for x
    x = 31,122,018.01/5,456.28
  6. Step 6: Final answer
    x = 5,703.89

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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.