Home / 5,712.01-7,880.36-3,586.64

Finding the Fourth Proportional to 5,712.01, 7,880.36 and 3,586.64

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Solution

The fourth proportional to 5,712.01, 7,880.36 and 3,586.64 is: 4,948.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.01 : 7,880.36 = 3,586.64 : x
  2. Step 2: Convert to fraction form
    5,712.01/7,880.36 = 3,586.64/x
  3. Step 3: Cross multiply
    5,712.01x = 7,880.36 × 3,586.64
  4. Step 4: Simplify right side
    5,712.01x = 28,263,957.06
  5. Step 5: Solve for x
    x = 28,263,957.06/5,712.01
  6. Step 6: Final answer
    x = 4,948.17

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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.