Home / 3,421.16-4,720.02-2,242.92

Finding the Fourth Proportional to 3,421.16, 4,720.02 and 2,242.92

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Solution

The fourth proportional to 3,421.16, 4,720.02 and 2,242.92 is: 3,094.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.16 : 4,720.02 = 2,242.92 : x
  2. Step 2: Convert to fraction form
    3,421.16/4,720.02 = 2,242.92/x
  3. Step 3: Cross multiply
    3,421.16x = 4,720.02 × 2,242.92
  4. Step 4: Simplify right side
    3,421.16x = 10,586,627.26
  5. Step 5: Solve for x
    x = 10,586,627.26/3,421.16
  6. Step 6: Final answer
    x = 3,094.46

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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.