Home / 7,758.98-10,707.37-4,402.45

Finding the Fourth Proportional to 7,758.98, 10,707.37 and 4,402.45

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Solution

The fourth proportional to 7,758.98, 10,707.37 and 4,402.45 is: 6,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.98 : 10,707.37 = 4,402.45 : x
  2. Step 2: Convert to fraction form
    7,758.98/10,707.37 = 4,402.45/x
  3. Step 3: Cross multiply
    7,758.98x = 10,707.37 × 4,402.45
  4. Step 4: Simplify right side
    7,758.98x = 47,138,661.06
  5. Step 5: Solve for x
    x = 47,138,661.06/7,758.98
  6. Step 6: Final answer
    x = 6,075.37

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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.