Home / 5,276.36-7,276.56-4,530.08

Finding the Fourth Proportional to 5,276.36, 7,276.56 and 4,530.08

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Solution

The fourth proportional to 5,276.36, 7,276.56 and 4,530.08 is: 6,247.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.36 : 7,276.56 = 4,530.08 : x
  2. Step 2: Convert to fraction form
    5,276.36/7,276.56 = 4,530.08/x
  3. Step 3: Cross multiply
    5,276.36x = 7,276.56 × 4,530.08
  4. Step 4: Simplify right side
    5,276.36x = 32,963,398.92
  5. Step 5: Solve for x
    x = 32,963,398.92/5,276.36
  6. Step 6: Final answer
    x = 6,247.37

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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.