Home / 3,655.04-5,482.56-2,921.16

Finding the Fourth Proportional to 3,655.04, 5,482.56 and 2,921.16

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Solution

The fourth proportional to 3,655.04, 5,482.56 and 2,921.16 is: 4,381.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.04 : 5,482.56 = 2,921.16 : x
  2. Step 2: Convert to fraction form
    3,655.04/5,482.56 = 2,921.16/x
  3. Step 3: Cross multiply
    3,655.04x = 5,482.56 × 2,921.16
  4. Step 4: Simplify right side
    3,655.04x = 16,015,434.97
  5. Step 5: Solve for x
    x = 16,015,434.97/3,655.04
  6. Step 6: Final answer
    x = 4,381.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.