Home / 4,253.90-5,870.04-2,485.31

Finding the Fourth Proportional to 4,253.90, 5,870.04 and 2,485.31

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Solution

The fourth proportional to 4,253.90, 5,870.04 and 2,485.31 is: 3,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.90 : 5,870.04 = 2,485.31 : x
  2. Step 2: Convert to fraction form
    4,253.90/5,870.04 = 2,485.31/x
  3. Step 3: Cross multiply
    4,253.90x = 5,870.04 × 2,485.31
  4. Step 4: Simplify right side
    4,253.90x = 14,588,869.11
  5. Step 5: Solve for x
    x = 14,588,869.11/4,253.90
  6. Step 6: Final answer
    x = 3,429.53

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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.