Home / 5,646.79-8,475.39-2,875.46

Finding the Fourth Proportional to 5,646.79, 8,475.39 and 2,875.46

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Solution

The fourth proportional to 5,646.79, 8,475.39 and 2,875.46 is: 4,315.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.79 : 8,475.39 = 2,875.46 : x
  2. Step 2: Convert to fraction form
    5,646.79/8,475.39 = 2,875.46/x
  3. Step 3: Cross multiply
    5,646.79x = 8,475.39 × 2,875.46
  4. Step 4: Simplify right side
    5,646.79x = 24,370,588.18
  5. Step 5: Solve for x
    x = 24,370,588.18/5,646.79
  6. Step 6: Final answer
    x = 4,315.83

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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.