Home / 7,075.31-9,768.80-4,423.91

Finding the Fourth Proportional to 7,075.31, 9,768.80 and 4,423.91

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Solution

The fourth proportional to 7,075.31, 9,768.80 and 4,423.91 is: 6,108.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.31 : 9,768.80 = 4,423.91 : x
  2. Step 2: Convert to fraction form
    7,075.31/9,768.80 = 4,423.91/x
  3. Step 3: Cross multiply
    7,075.31x = 9,768.80 × 4,423.91
  4. Step 4: Simplify right side
    7,075.31x = 43,216,254.22
  5. Step 5: Solve for x
    x = 43,216,254.22/7,075.31
  6. Step 6: Final answer
    x = 6,108.04

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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.