Home / 7,549.47-10,417.48-4,191.51

Finding the Fourth Proportional to 7,549.47, 10,417.48 and 4,191.51

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Solution

The fourth proportional to 7,549.47, 10,417.48 and 4,191.51 is: 5,783.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.47 : 10,417.48 = 4,191.51 : x
  2. Step 2: Convert to fraction form
    7,549.47/10,417.48 = 4,191.51/x
  3. Step 3: Cross multiply
    7,549.47x = 10,417.48 × 4,191.51
  4. Step 4: Simplify right side
    7,549.47x = 43,665,000.18
  5. Step 5: Solve for x
    x = 43,665,000.18/7,549.47
  6. Step 6: Final answer
    x = 5,783.85

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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.