Home / 6,277.84-8,663.76-3,483.40

Finding the Fourth Proportional to 6,277.84, 8,663.76 and 3,483.40

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Solution

The fourth proportional to 6,277.84, 8,663.76 and 3,483.40 is: 4,807.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.84 : 8,663.76 = 3,483.40 : x
  2. Step 2: Convert to fraction form
    6,277.84/8,663.76 = 3,483.40/x
  3. Step 3: Cross multiply
    6,277.84x = 8,663.76 × 3,483.40
  4. Step 4: Simplify right side
    6,277.84x = 30,179,341.58
  5. Step 5: Solve for x
    x = 30,179,341.58/6,277.84
  6. Step 6: Final answer
    x = 4,807.28

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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.