Home / 7,722.60-10,657.21-4,535.28

Finding the Fourth Proportional to 7,722.60, 10,657.21 and 4,535.28

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Solution

The fourth proportional to 7,722.60, 10,657.21 and 4,535.28 is: 6,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.60 : 10,657.21 = 4,535.28 : x
  2. Step 2: Convert to fraction form
    7,722.60/10,657.21 = 4,535.28/x
  3. Step 3: Cross multiply
    7,722.60x = 10,657.21 × 4,535.28
  4. Step 4: Simplify right side
    7,722.60x = 48,333,431.37
  5. Step 5: Solve for x
    x = 48,333,431.37/7,722.60
  6. Step 6: Final answer
    x = 6,258.70

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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.