Home / 7,349.13-10,142.69-4,205.25

Finding the Fourth Proportional to 7,349.13, 10,142.69 and 4,205.25

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Solution

The fourth proportional to 7,349.13, 10,142.69 and 4,205.25 is: 5,803.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,349.13 : 10,142.69 = 4,205.25 : x
  2. Step 2: Convert to fraction form
    7,349.13/10,142.69 = 4,205.25/x
  3. Step 3: Cross multiply
    7,349.13x = 10,142.69 × 4,205.25
  4. Step 4: Simplify right side
    7,349.13x = 42,652,526.10
  5. Step 5: Solve for x
    x = 42,652,526.10/7,349.13
  6. Step 6: Final answer
    x = 5,803.75

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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.