Home / 7,905.76-10,908.83-4,547.30

Finding the Fourth Proportional to 7,905.76, 10,908.83 and 4,547.30

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Solution

The fourth proportional to 7,905.76, 10,908.83 and 4,547.30 is: 6,274.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.76 : 10,908.83 = 4,547.30 : x
  2. Step 2: Convert to fraction form
    7,905.76/10,908.83 = 4,547.30/x
  3. Step 3: Cross multiply
    7,905.76x = 10,908.83 × 4,547.30
  4. Step 4: Simplify right side
    7,905.76x = 49,605,679.48
  5. Step 5: Solve for x
    x = 49,605,679.48/7,905.76
  6. Step 6: Final answer
    x = 6,274.63

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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.