Home / 7,810.02-10,778.27-4,273.76

Finding the Fourth Proportional to 7,810.02, 10,778.27 and 4,273.76

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Solution

The fourth proportional to 7,810.02, 10,778.27 and 4,273.76 is: 5,898.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.02 : 10,778.27 = 4,273.76 : x
  2. Step 2: Convert to fraction form
    7,810.02/10,778.27 = 4,273.76/x
  3. Step 3: Cross multiply
    7,810.02x = 10,778.27 × 4,273.76
  4. Step 4: Simplify right side
    7,810.02x = 46,063,744.77
  5. Step 5: Solve for x
    x = 46,063,744.77/7,810.02
  6. Step 6: Final answer
    x = 5,898.03

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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.