Home / 2,089.28-2,876.64-1,697.60

Finding the Fourth Proportional to 2,089.28, 2,876.64 and 1,697.60

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Solution

The fourth proportional to 2,089.28, 2,876.64 and 1,697.60 is: 2,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.28 : 2,876.64 = 1,697.60 : x
  2. Step 2: Convert to fraction form
    2,089.28/2,876.64 = 1,697.60/x
  3. Step 3: Cross multiply
    2,089.28x = 2,876.64 × 1,697.60
  4. Step 4: Simplify right side
    2,089.28x = 4,883,384.06
  5. Step 5: Solve for x
    x = 4,883,384.06/2,089.28
  6. Step 6: Final answer
    x = 2,337.35

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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.