Home / 2,953.40-4,075.52-1,774.24

Finding the Fourth Proportional to 2,953.40, 4,075.52 and 1,774.24

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Solution

The fourth proportional to 2,953.40, 4,075.52 and 1,774.24 is: 2,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.40 : 4,075.52 = 1,774.24 : x
  2. Step 2: Convert to fraction form
    2,953.40/4,075.52 = 1,774.24/x
  3. Step 3: Cross multiply
    2,953.40x = 4,075.52 × 1,774.24
  4. Step 4: Simplify right side
    2,953.40x = 7,230,931.54
  5. Step 5: Solve for x
    x = 7,230,931.54/2,953.40
  6. Step 6: Final answer
    x = 2,448.35

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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.