Home / 4,325.42-6,488.40-2,938.16

Finding the Fourth Proportional to 4,325.42, 6,488.40 and 2,938.16

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Solution

The fourth proportional to 4,325.42, 6,488.40 and 2,938.16 is: 4,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,325.42 : 6,488.40 = 2,938.16 : x
  2. Step 2: Convert to fraction form
    4,325.42/6,488.40 = 2,938.16/x
  3. Step 3: Cross multiply
    4,325.42x = 6,488.40 × 2,938.16
  4. Step 4: Simplify right side
    4,325.42x = 19,063,957.34
  5. Step 5: Solve for x
    x = 19,063,957.34/4,325.42
  6. Step 6: Final answer
    x = 4,407.42

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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.