Home / 7,927.77-10,939.95-4,570.68

Finding the Fourth Proportional to 7,927.77, 10,939.95 and 4,570.68

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Solution

The fourth proportional to 7,927.77, 10,939.95 and 4,570.68 is: 6,307.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.77 : 10,939.95 = 4,570.68 : x
  2. Step 2: Convert to fraction form
    7,927.77/10,939.95 = 4,570.68/x
  3. Step 3: Cross multiply
    7,927.77x = 10,939.95 × 4,570.68
  4. Step 4: Simplify right side
    7,927.77x = 50,003,010.67
  5. Step 5: Solve for x
    x = 50,003,010.67/7,927.77
  6. Step 6: Final answer
    x = 6,307.32

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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.