Home / 2,075.88-2,864.66-1,236.98

Finding the Fourth Proportional to 2,075.88, 2,864.66 and 1,236.98

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Solution

The fourth proportional to 2,075.88, 2,864.66 and 1,236.98 is: 1,707.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.88 : 2,864.66 = 1,236.98 : x
  2. Step 2: Convert to fraction form
    2,075.88/2,864.66 = 1,236.98/x
  3. Step 3: Cross multiply
    2,075.88x = 2,864.66 × 1,236.98
  4. Step 4: Simplify right side
    2,075.88x = 3,543,527.13
  5. Step 5: Solve for x
    x = 3,543,527.13/2,075.88
  6. Step 6: Final answer
    x = 1,707.00

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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.