Home / 6,276.48-8,656.32-5,662.08

Finding the Fourth Proportional to 6,276.48, 8,656.32 and 5,662.08

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Solution

The fourth proportional to 6,276.48, 8,656.32 and 5,662.08 is: 7,808.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.48 : 8,656.32 = 5,662.08 : x
  2. Step 2: Convert to fraction form
    6,276.48/8,656.32 = 5,662.08/x
  3. Step 3: Cross multiply
    6,276.48x = 8,656.32 × 5,662.08
  4. Step 4: Simplify right side
    6,276.48x = 49,012,776.35
  5. Step 5: Solve for x
    x = 49,012,776.35/6,276.48
  6. Step 6: Final answer
    x = 7,808.96

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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.