Home / 5,322.48-7,328.16-4,690.68

Finding the Fourth Proportional to 5,322.48, 7,328.16 and 4,690.68

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Solution

The fourth proportional to 5,322.48, 7,328.16 and 4,690.68 is: 6,458.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.48 : 7,328.16 = 4,690.68 : x
  2. Step 2: Convert to fraction form
    5,322.48/7,328.16 = 4,690.68/x
  3. Step 3: Cross multiply
    5,322.48x = 7,328.16 × 4,690.68
  4. Step 4: Simplify right side
    5,322.48x = 34,374,053.55
  5. Step 5: Solve for x
    x = 34,374,053.55/5,322.48
  6. Step 6: Final answer
    x = 6,458.28

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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.