Home / 5,529.60-8,337.60-4,838.40

Finding the Fourth Proportional to 5,529.60, 8,337.60 and 4,838.40

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Solution

The fourth proportional to 5,529.60, 8,337.60 and 4,838.40 is: 7,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.60 : 8,337.60 = 4,838.40 : x
  2. Step 2: Convert to fraction form
    5,529.60/8,337.60 = 4,838.40/x
  3. Step 3: Cross multiply
    5,529.60x = 8,337.60 × 4,838.40
  4. Step 4: Simplify right side
    5,529.60x = 40,340,643.84
  5. Step 5: Solve for x
    x = 40,340,643.84/5,529.60
  6. Step 6: Final answer
    x = 7,295.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.