Home / 5,127.90-7,075.02-3,338.01

Finding the Fourth Proportional to 5,127.90, 7,075.02 and 3,338.01

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Solution

The fourth proportional to 5,127.90, 7,075.02 and 3,338.01 is: 4,605.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.90 : 7,075.02 = 3,338.01 : x
  2. Step 2: Convert to fraction form
    5,127.90/7,075.02 = 3,338.01/x
  3. Step 3: Cross multiply
    5,127.90x = 7,075.02 × 3,338.01
  4. Step 4: Simplify right side
    5,127.90x = 23,616,487.51
  5. Step 5: Solve for x
    x = 23,616,487.51/5,127.90
  6. Step 6: Final answer
    x = 4,605.49

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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.